<form action="b.php" method="post">

<table border="1" align="center">
  <thead>
    <tr>
      <th colspan="2">Please fill the details : Part 1</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td>Enter Name</td>
      <td><input type="text" name="uname" placeholder="Name" /></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td><input type="submit" value="Save" /></td>
    </tr>
  </tbody>
</table>

</form>
